130 Vdc

Thread starter henrylee
Start date Sep 14, 2007

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H

henrylee

Member

Sep 14, 2007

#1

How does 130VDC work? I have noticed that 65vdc both pos and neg are present to obtain 130vdc. What is the practical theory? Thanks, Lee

dereckbc

Moderator

Staff member

Sep 14, 2007

#2

It is used in Telephone transnission system to suply T1 repeaters with power over llong line loops

LarryFine

Master Electrician Electric Contractor Richmond VA

Sep 15, 2007

#3

henrylee said:
How does 130VDC work? I have noticed that 65vdc both pos and neg are present to obtain 130vdc. What is the practical theory? Thanks, Lee

Lee, read this, and let me know if it explains what you're asking:

http://forums.mikeholt.com/showpost.php?p=708650&postcount=4

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